Design of control algorithm for accelerator magnet power supply with large time constant load
作者机构：Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of SciencesBeijing 100049China
出 版 物：《Radiation Detection Technology and Methods》 (辐射探测技术与方法（英文）)
年 卷 期：2020年第4卷第3期
页 面：383-391页
学科分类：08[工学] 082701[工学-核能科学与工程] 0827[工学-核科学与技术]
基 金：the Accelerator Centre of Insti-tute of High Energy Physics for financial support
主 题：Closed-loop control algorithm Load time constant Superconducting magnets Three-branch structure
摘 要：Objective High Energy Photon Source-Test Facility(HEPS-TF)is a pre-research project for the construction of high energy synchrotron radiation source in the 12th five-year plan *** purpose is to research the key technology and develop the key equipment of high energy synchrotron radiation *** 3W1 magnet is the first self-developed superconducting wiggler magnet in China,and it is also one of the key research topics of *** author has completed a new digital closed-loop control algorithm for the superconducting 3W1 magnet with large load time constant and the nonlinear characteristics of inductance increasing with current,namely three-branch structure *** the face of the rapid development of high energy accelerator technology,the application of intelligent technology has become an inevitable development trend in the field of accelerator magnet power supply *** the digital control of accelerator magnet power supply has been widely used,it is the first time to apply the new closed-loop control algorithm to realize fast adjustment and precision tracking in accelerator superconducting magnet power supply in *** According to the nonlinear characteristics of inductance and output current of superconducting magnet,a new digital closed-loop control algorithm for the load of superconducting magnet power supply with large time constant is *** This algorithm is quite different from the traditional algorithm and can attain the independent tracking and adjust-ment of the control ***,by testing the ripple,error and stability of superconducting 3W1 magnet power supply,the correctness,practicability and reliability of power supply system as well as the digital control algorithm are *** results provide a new idea for the control of accelerator magnet power supply.
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